CSEET – Alpha Numeric Sequence Puzzle MCQs with Answers & Explanations

CSEET – Alpha Numeric Sequence Puzzle MCQs with Answers & Explanations

Q1.Find the missing element:A1, C3, E5, G7, ?

A. H8B. I9C. J9D. K11

Answer: C. J9Explanation:Letters: A, C, E, G, (I skipped H → next J) → +2 patternNumbers: 1, 3, 5, 7, (next 9)→ J9

Q2.Find the next term:Z9, X8, V7, T6, ?

A. R5B. S5C. Q4D. P3

Answer: A. R5Explanation:Letters: Z, X, V, T, (R) → skipping one letter each time.Numbers decrease by 1 → 9, 8, 7, 6 → next 5.

Q3.Find the next term:A2B, C4D, E6F, ?

A. G8HB. H9IC. G7HD. I10J

Answer: A. G8HExplanation:Letters increase by 2 positions each side: A→C→E→GNumbers increase by +2: 2, 4, 6, 8 → G8H

Q4.Find the missing element:1A, 4C, 9E, 16G, ?

A. 25IB. 25HC. 36JD. 49K

Answer: A. 25IExplanation:Numbers: 1, 4, 9, 16, 25 (perfect squares)Letters increase by +2 → A, C, E, G, I

Q5.Find the next term:B2, E4, H6, K8, ?

A. N10B. O9C. M10D. P12

Answer: A. N10Explanation:Letters +3 → B, E, H, K, NNumbers +2 → 2, 4, 6, 8, 10 → N10

Q6.Find the missing term:A1B, D4E, G9H, J16K, ?

A. M25NB. N25OC. M36ND. O49P

Answer: A. M25NExplanation:Letters +3 pattern (A→D→G→J→M)Numbers are perfect squares: 1, 4, 9, 16, 25 → M25N

Q7.Find the next element:P2, R4, T8, V16, ?

A. X32B. W24C. X30D. Y40

Answer: A. X32Explanation:Letters +2 → P, R, T, V, XNumbers ×2 → 2, 4, 8, 16, 32 → X32

Q8.Find the next term:1Z, 3X, 5V, 7T, ?

A. 9RB. 9SC. 8RD. 10Q

Answer: A. 9RExplanation:Letters move backward by 2 → Z, X, V, T, RNumbers increase by +2 → 1, 3, 5, 7, 9 → 9R

Q9.Find the missing term:A1, C3, F6, J10, ?

A. O15B. P16C. N14D. M13

Answer: C. N14Explanation:Letters increase: +2, +3, +4, +5 → A→C→F→J→NNumbers +2, +3, +4 → next +5 → 10+4=14 → N14

Q10.Which term comes next?Z1, W4, T9, Q16, ?

A. N25B. O25C. P25D. M25

Answer: A. N25Explanation:Letters move backward by 3 → Z, W, T, Q, NNumbers are squares: 1, 4, 9, 16, 25 → N25

Q11.Find the next term:A2, D4, H8, M16, ?

A. S32B. T32C. Q32D. U32

Answer: C. Q32Explanation:Letter positions increase +3, +4, +5 → A→D→H→M→QNumbers double each time → 2, 4, 8, 16, 32 → Q32

Q12.Find the missing term:B1C, D4E, F9G, H16I, ?

A. J25KB. J25LC. I25JD. K36L

Answer: A. J25KExplanation:Letters +2 → B→D→F→H→JNumbers are squares: 1, 4, 9, 16, 25 → J25K

Q13.Find the next term:A2Z, C4X, E6V, G8T, ?

A. I10RB. J10SC. I9RD. I10Q

Answer: A. I10RExplanation:Letters (first) +2 → A, C, E, G, ISecond letters move backward by 2 → Z, X, V, T, RNumbers +2 → 2, 4, 6, 8, 10 → I10R

Q14.Find the missing term:K3L, M5N, O7P, Q9R, ?

A. S11TB. S10TC. T11UD. U12V

Answer: A. S11TExplanation:Letters +2 → K, M, O, Q, SNumbers +2 → 3, 5, 7, 9, 11 → S11T

Q15.Find the next term:Z20, W23, T26, Q29, ?

A. N32B. M33C. O32D. P31

Answer: A. N32Explanation:Letters move backward by 3 → Z, W, T, Q, NNumbers increase by +3 → 20, 23, 26, 29, 32 → N32